package com.kuang.boot.dao;

import com.kuang.boot.pojo.Department;
import com.kuang.boot.pojo.Employee;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
@Repository
public class EmployeeDao {
    //模拟数据库中的数据
    private static Map<Integer, Employee> employeeMap = null;
    @Autowired
    private DepartmentDao departmentDao;

    static {
        employeeMap = new HashMap<Integer, Employee>();//创建一个部门表

        employeeMap.put(1001,new Employee(1001,"aa","123@qq.com",1,new Department(101,"市场部")));
        employeeMap.put(1002,new Employee(1002,"bb","1234@qq.com",1,new Department(102,"教研部")));
        employeeMap.put(1003,new Employee(1003,"cc","12345@qq.com",1,new Department(103,"后勤部")));
        employeeMap.put(1004,new Employee(1004,"dd","123456@qq.com",1,new Department(104,"教学部")));
        employeeMap.put(1005,new Employee(1005,"ee","1234567@qq.com",1,new Department(105,"运营部")));

    }

    //主键自增
    private static Integer initId = 1006;
//    增加一个员工
    public void add(Employee employee){
        if (employee.getId() == null){
            employee.setId(initId++);
        }

        employee.setDepartment(departmentDao.getDepartmentById(employee.getDepartment().getId()));

        employeeMap.put(employee.getId(),employee);

    }
//    查询全部员工信息
    public Collection<Employee> getAll(){
        return employeeMap.values();
    }
//    通过id查询员工
    public Employee getEmployeeById(Integer id){
        return employeeMap.get(id);
    }
//    通过id删除员工
    public Employee delete(Integer id){
        return employeeMap.remove(id);
    }

}
